Home / 1,543,379.06-2,315,406.90-518,672.54

Finding the Fourth Proportional to 1,543,379.06, 2,315,406.90 and 518,672.54

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Solution

The fourth proportional to 1,543,379.06, 2,315,406.90 and 518,672.54 is: 778,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,379.06 : 2,315,406.90 = 518,672.54 : x
  2. Step 2: Convert to fraction form
    1,543,379.06/2,315,406.90 = 518,672.54/x
  3. Step 3: Cross multiply
    1,543,379.06x = 2,315,406.90 × 518,672.54
  4. Step 4: Simplify right side
    1,543,379.06x = 1,200,937,977,956.53
  5. Step 5: Solve for x
    x = 1,200,937,977,956.53/1,543,379.06
  6. Step 6: Final answer
    x = 778,122.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.